# mergeRouteParams

**Kind:** Function

**Source:** [`atloria-monorepo/libs/parser-core/src/openapi/path-parameters.ts`](https://github.com/sherkety/atloria/blob/main/atloria-monorepo/libs/parser-core/src/openapi/path-parameters.ts#L80)

The parameters a route declares, with everything the parser already knows kept intact.

Declared entries win outright — they carry the handler's real type and any prose — and are
never reordered or dropped, so this can only ever add. Missing segments are appended in URL
order as plain strings, which is what the template alone can honestly say about them.

## Signature

```ts
function mergeRouteParams(template: string, declared: ParameterDefinition[]): ParameterDefinition[]
```

## Parameters

| Name | Type |
|---|---|
| `template` | `string` |
| `declared` | `ParameterDefinition[]` |

**Returns:** `ParameterDefinition[]`